Operating device of a tactical radio



FIG. 1 is a front perspective view of the operating device of a tactical radio showing my design thereof;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof, with a right side view being a mirror image thereof; and,

FIG. 4 is a rear view thereof.

Broken lines depicting an outer casing for a tactical radio that includes the operating device of a tactical radio form no part of the claimed design. 

CLAIM The ornamental design for a operating device of a tactical radio, as shown and described. 